PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM A74Coupling,pipe

American Society for Testing and Materials Dba Astm International · NSN 4730-00-001-4451 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-001-4451 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-001-4451. Primary manufacturer part number: ASTM A74.
Features
  • Coupling,pipe — FSC 4730
  • Material: IRON OVERALL
  • Style Designator: GROOVED AND THREADED INTERNAL
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE XS FIRST END
  • Nominal Overall Length: 4.625 INCHES IN
  • Nominal Thread Size: 3.000 INCHES SECOND END IN
  • Thread Series Designator: NPT SECOND END
  • Material Document and Classification: MIL-I-11695 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-001-4451, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-001-4451
Primary Part NumberASTM A74
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
MaterialIRON OVERALL
Style DesignatorGROOVED AND THREADED INTERNAL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE XS FIRST END
Nominal Overall Length4.625 INCHES IN
Nominal Thread Size3.000 INCHES SECOND END IN
Thread Series DesignatorNPT SECOND END
Material Document and ClassificationMIL-I-11695 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection StyleBELL (PIPE) FIRST END
Nominal Pipe Size Accommodated3.000 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Nominal Pipe Size Accommodated3.000 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4710-00-163-6934 INTERCHANGEABLE
Pipe,metallic
4730-00-174-6022 INTERCHANGEABLE
Trap,soil Pipe
4730-00-270-3907 INTERCHANGEABLE
Ferrule with Plug,soil Pipe
4730-00-270-3908 INTERCHANGEABLE
Ferrule with Plug,soil Pipe
4710-00-277-4887 INTERCHANGEABLE
Pipe,metallic
4730-00-277-8632 INTERCHANGEABLE
Plug,pipe
4710-00-278-6325 INTERCHANGEABLE
Pipe,metallic
4730-00-278-6351 INTERCHANGEABLE
Reducer,soil Pipe
Cross-Reference Index
Part NumberManufacturer
ASTM A74 American Society for Testing and Materials Dba Astm International (USA)
WWP401 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2-40 Tyler Pipe Industries Inc (USA)
Related Parts
4710-00-163-6934INTERCHANGEABLE
PIPE,METALLIC
4730-00-174-6022INTERCHANGEABLE
TRAP,SOIL PIPE
4730-00-270-3907INTERCHANGEABLE
FERRULE WITH PLUG,SOIL PIPE
4730-00-270-3908INTERCHANGEABLE
FERRULE WITH PLUG,SOIL PIPE
4710-00-277-4887INTERCHANGEABLE
PIPE,METALLIC
4730-00-277-8632INTERCHANGEABLE
PLUG,PIPE
4710-00-278-6325INTERCHANGEABLE
PIPE,METALLIC
4730-00-278-6351INTERCHANGEABLE
REDUCER,SOIL PIPE

Frequently Asked Questions

What is NSN 4730-00-001-4451?

NSN 4730-00-001-4451 is a Coupling,pipe, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-001-4451?

NSN 4730-00-001-4451 has 3 cross-referenced part numbers: ASTM A74 (American Society for Testing and Materials Dba Astm International), WWP401 (Federal Specifications Promulgated by General Services Administration Washington DC), 2-40 (Tyler Pipe Industries Inc).

What NSN replaces 4730-00-001-4451?

There are 8 known substitutes for 4730-00-001-4451: 4710-00-163-6934, 4730-00-174-6022, 4730-00-270-3907 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM A74?

Key specifications for ASTM A74: Material: IRON OVERALL; Style Designator: GROOVED AND THREADED INTERNAL; Pipe Wall Thickness Designation for Which Designed: SCHEDULE XS FIRST END; Nominal Overall Length: 4.625 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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